Injection device



FIG. 1 is a perspective view of an injection device;

FIG. 2 is a top plan view of an injection device;

FIG. 3 is a bottom plan view of an injection device;

FIG. 4 is a side elevation view of an injection device;

FIG. 5 is an opposite side elevation view of an injection device;

FIG. 6 is a front elevation view of an injection device; and,

FIG. 7 is a rear elevation view of an injection device.

The parts shown in broken dashed lines form no part of the claimed design. 

CLAIM The ornamental design for an injection device, as shown and described. 